What are some alternatives?
When comparing Uniflash and KingRoot, you can also consider the following products
Magisk - [2018.12.8] Magisk v18.0 - Root & Universal Systemless Interface [Android 5.0+] Magisk
Root Genius - Root your Android phone with just one click.
unrEVOked - Unrevoked is a tool that provides a one-click method for rooting HTC phones that run Android.
Kingo Root - KingoRoot for Android is the best one click rooting software/apk with highest success rate. Boost your Android Phone by rooting it with KingoRoot!
SRSRoot - Download SRSRoot APK for Android & Windows PC, root your mobile phone. Get srs root latest version 2019 from official site!
One Click Root - Rooting lets you take full advantage of your phone or tablet.